Home / 115,834.40-173,834.56-49,321.20

Finding the Fourth Proportional to 115,834.40, 173,834.56 and 49,321.20

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Solution

The fourth proportional to 115,834.40, 173,834.56 and 49,321.20 is: 74,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,834.40 : 173,834.56 = 49,321.20 : x
  2. Step 2: Convert to fraction form
    115,834.40/173,834.56 = 49,321.20/x
  3. Step 3: Cross multiply
    115,834.40x = 173,834.56 × 49,321.20
  4. Step 4: Simplify right side
    115,834.40x = 8,573,729,100.67
  5. Step 5: Solve for x
    x = 8,573,729,100.67/115,834.40
  6. Step 6: Final answer
    x = 74,017.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.